i already have a massive collection of games bought from the App store though (for my iPod touch).
carrying around another device would be pointless, and i dont want to give up those games. (as much as i support android and the open market, the android store is no where near the app store in terms of quantity or quality of games)
the ipod touch and separate phone made sense until now. but if i can get an iphone and make free calls over 3g? sounds good to me.